CVE-2017-11110 : What You Need to Know

In catdoc version 0.95, a vulnerability in the ole_init function in the ole.c file can be exploited by remote attackers, potentially leading to a denial of service through a heap-based buffer underflow.

Understanding CVE-2017-11110

This CVE involves a vulnerability in catdoc version 0.95 that can be exploited remotely, potentially causing a denial of service.

What is CVE-2017-11110?

The ole_init function in the ole.c file of catdoc 0.95 allows remote attackers to trigger a denial of service or other unspecified impacts by using a crafted file that writes data to memory addresses before the tmpBuf buffer.

The Impact of CVE-2017-11110

Remote attackers can exploit this vulnerability to cause a denial of service by triggering a heap-based buffer underflow, leading to an application crash.
The crafted file used in the attack could potentially have other impacts that are not specified.

Technical Details of CVE-2017-11110

This section provides technical details about the vulnerability.

Vulnerability Description

The ole_init function in the ole.c file of catdoc 0.95 is vulnerable to remote exploitation, potentially resulting in a denial of service due to a heap-based buffer underflow.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

The vulnerability occurs when data is written to memory addresses before the start of the tmpBuf buffer.

Mitigation and Prevention

Protecting systems from CVE-2017-11110 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches or updates provided by the vendor.
Implement network security measures to prevent remote exploitation.

Long-Term Security Practices

Regularly update software and applications to mitigate known vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential weaknesses.

Patching and Updates

Ensure that the catdoc software is updated to a version that addresses the vulnerability to prevent exploitation.